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Marina86 [1]
2 years ago
10

The term "net energy” refers to the amount of energy available from a resource minus the amount of

Biology
1 answer:
Lubov Fominskaja [6]2 years ago
8 0

Answer:

True

Explanation:

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Imagine that a newly discovered, recessively inherited disease is expressed only in individuals with type O blood, although the
erastova [34]

Complete question:

Imagine that a newly discovered, recessively inherited disease is expressed only in individuals with type O blood, although the disease and blood group are independently inherited.

A normal man with type A blood and a normal woman with type B blood have already had one child with the disease. The woman is now pregnant for a second time.

Assuming that both parents are heterozygous for the gene that causes the disease, what is the probability that the second child will also have the disease? Express your answer as a fraction using the slash symbol and no spaces (for example, 1/2).

Answer:

The probability that the second child will also have the disease is 1/16.

Explanation:

<u>Available data:</u>

  • Two genes independently inherited: one for blood type, the other for disease
  • Man with type A blood  x  Woman with type B blood
  • Both parents are heterozygous for the gene that causes the disease; Dd

If the man has A blood, and the woman has B blood, and they already have an affected child, this means that they must be heterozygous for blood type too.

Cross:  

Parentals)           AiDd         x      BiDd

Gametes)  AD  Ad  iD  id       BD  Bd  iD  id

Punnett square)      AD       Ad       iD       id

                     BD   ABDD  ABDd  BiDD BiDd

                     Bd   ABDd   ABdd   BiDd Bidd

                     iD    AiDD    AiDd    iiDD   iiDd

                     id    AiDd     Aidd     iiDd    iidd

F1) <u>Genotype</u>:

1/16 ABDD

2/16 ABDd

1/16 ABdd

1/16 AiDD

1/16 BiDD

2/16 AiDd

2/16 BiDd

1/16 Aidd

1/16 Bidd

1/16 iiDD

2/16 iiDd

1/16 iidd

<u>Phenotype:</u>

3/16 A/B normal

4/16 A normal

4/16 B normal

3/16 0 normal

1/16 0 affected by the disease.

3 0
3 years ago
Jumble letter can you help me plsss​
sveticcg [70]
<h2>Answer</h2>

  1. Wind
  2. Sunlight
  3. Plants
  4. Soil
  5. Coal
  6. Minerals
  7. Water
  8. Animals

\\

In short it's natural resources.

3 0
2 years ago
What two parts of a nucleotide do not change throughout the structure of DNA?
Kazeer [188]

Answer:

The second portion of the nucleotide is the sugar. Regardless of the nucleotide, the sugar is always the same. The difference is between DNA and RNA.

Explanation:

thanks me and follow me

5 0
3 years ago
Which part of the central nervous system is used to serve as the main communication link between the body and the brain?
Svetllana [295]
Spinal cord is the part of the central nervous system which is used to serve as  the main communication link between the body and brain
7 0
2 years ago
Read 2 more answers
What are Spore-bearing structures in fungi called what?
vovangra [49]

Answer:

Fruting bodies

Explanation:

Fungi can produce spores on somatic hyphae or on special spore producing hyphae which are arranged into structers called fruting bodies.

3 0
2 years ago
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